diff --git a/ps-grammar/sfb/review.jsgf b/ps-grammar/sfb/review.jsgf
index 371ac41abe8f9e27311b8db960ca05c5ef5f4c14..37477c099a4cc9e0c74139c4ff45334cab155dae 100644
--- a/ps-grammar/sfb/review.jsgf
+++ b/ps-grammar/sfb/review.jsgf
@@ -11,4 +11,4 @@ public <review> = [tobi] [please] (<follow> | <observe> | <teach> | <locate> | <
 <locate> = ( ( where is [a | an | the] ) | ( where are [the] ) ) ( <object> | <furniture> );
 <list> = ( which objects do you know ) | ( list [the] objects );
 <furniture> = [other] ( shelf | cupboard | table | chair | armchair | sofa | stool | dresser | closet );
-<object> = [other] ( pringles | apple | milk | biscuits | book  );
+<object> = [other] ( pringles | coffee | crackers | biscuits | milk  );